Newton CDM 508 Membrane – BBA Certified 8mm Cavity Drain Membrane for Basements
The Newton CDM 508 Membrane is a BBA-certified cavity drain waterproofing solution designed for basements, cellars, vaults, tunnels, and below-ground structures. Engineered for long-term moisture and gas protection, this Type C maintainable system meets BS 8102:2022 standards and is independently certified as a barrier to radon, methane, and hydrocarbon gases.
📜 Certified Durability – Supported by BBA Certification (94/3010), it is guaranteed for 30 years with a life expectancy of over 50 years (DIN 9001:2000).
Key Benefits
✔ Minimal Surface Preparation – No need for extensive or damaging wall treatment.
✔ Fast & Efficient Installation – Time-saving and easy to fit.
✔ Vapour Control – When combined with humidity control systems, provides a Grade 3 habitable environment.
✔ Gas-Resistant – Acts as a barrier against radon, methane, and hydrocarbon gases.
✔ BS 8102:2022 Compliant – Designed to meet the highest UK waterproofing standards.
✔ Maintainable Waterproofing System – Ensures long-term performance and easy servicing.
Available Variants
🔹 CDM 508 (M1) – 2.4m x 20m (48m²)
🔹 CDM 508 eco Floor (M2) – 2.5m x 20m (50m²)
🔹 CDM 508R Gas Barrier (M1R & M2R) – 2.4m x 20m & 2.07 x 20m (48m² & 41.4m²)
🔹 CDM 508 Mesh (M3) – 2m x 20m (40m²)
Typical Applications
🏗 Basements & Cellars – Ideal for both new-build and refurbishment projects.
🏛 Historic & Listed Buildings – Protects delicate structures without damage.
🛤 Tunnels, Vaults & Arches – Prevents water ingress in underground spaces.
🔹 Complies with BS 8102:2022 – The UK’s industry standard for waterproofing below-ground structures.
🔹 Recommended for installation by a Newton Specialist Contractor (NSBC) to ensure an integrated, maintainable system.
Newton CDM System Overview
The Newton CDM System is a comprehensive and maintainable basement waterproofing solution, certified to BES 6001 by BRE Global. It is designed to provide the most reliable and failsafe protection against water ingress.
🛠 4 Key Components:
1️⃣ Cavity Drain Membranes – Captures and directs water away.
2️⃣ Drainage Systems – Ensures efficient water management.
3️⃣ Pumping Systems – The Newton Titan-Pro Sump System removes water safely.
4️⃣ Control Systems – Alarm and monitoring features for enhanced reliability.
🔹 Newton PAC-500 System – Combines waterproofing and gas protection for areas at risk of ground gases.
Technical Specifications
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Code: M1-7-48
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Size: 2.4m x 20m
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Colour: White
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Weight: 700g/m²
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Area Coverage: 48m²
📥 Download Data Sheets, Installation Guides & BBA Certificates - see tab
📞 For expert guidance, call us at 01268 472358.
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